Home / 32,730.27-45,172.02-19,980.80

Finding the Fourth Proportional to 32,730.27, 45,172.02 and 19,980.80

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Solution

The fourth proportional to 32,730.27, 45,172.02 and 19,980.80 is: 27,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,730.27 : 45,172.02 = 19,980.80 : x
  2. Step 2: Convert to fraction form
    32,730.27/45,172.02 = 19,980.80/x
  3. Step 3: Cross multiply
    32,730.27x = 45,172.02 × 19,980.80
  4. Step 4: Simplify right side
    32,730.27x = 902,572,871.36
  5. Step 5: Solve for x
    x = 902,572,871.36/32,730.27
  6. Step 6: Final answer
    x = 27,576.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.